Research Article
The Effect of Rheology of Viscoelastic Polymer on Pressure Transient Response in Near-Wellbore Regions
Table 2
The basic parameters of the reservoir.
| | Parameters | Values |
| | Initial reservoir pressure, MPa | 20 | | Well radius, m | 0.07 | | Wellbore storage constant, m3/MPa | 0.1 | | Porosity, fraction | 0.3 | | Rock compressibility, MPa-1 | 0.001 | | Initial water saturation, fraction | 0.65 | | Initial oil saturation, fraction | 0.35 | | Oil viscosity, mPa·s | 7.41 | | Oil compressibility, MPa-1 | 0.001 | | Oil volume factor, m3/m3 | 1 | | Water compressibility, MPa-1 | 0.0002 | | Water volume factor, m3/m3 | 1 | | Initial polymer concentration, kg/m3 | 0 | | Saturated adsorbed concentration of polymer, kg/m3 | 0.00005 | | Constant parameter (), unitless | 2.27 | | Maximum permeability reduction factor, unitless | 1.84 |
|
|